device - Module

`enum DeviceType`

Source: device.joule:19

`struct DeviceId`

Source: device.joule:32

`fn cpu() -> Self`

Source: device.joule:38

`fn cuda(index: u32) -> Self`

Source: device.joule:42

`fn metal() -> Self`

Source: device.joule:46

`fn coreml() -> Self`

Source: device.joule:50

`struct DeviceProperties`

Source: device.joule:61

`struct DeviceFeatures`

Source: device.joule:99

`fn theoretical_efficiency(&self) -> f64`

Compute theoretical efficiency (FLOP/J)

Source: device.joule:115

`fn ridge_point(&self) -> f64`

Compute arithmetic intensity for roofline (FLOP/byte)

Source: device.joule:120

`struct DeviceState`

Source: device.joule:131

`enum ThrottleReason`

Source: device.joule:163

`fn now() -> Self`

Create new state with current values

Source: device.joule:174

`struct Device`

Handle to a compute device with monitoring capabilities

Source: device.joule:197

`fn new(id: DeviceId) -> Result<Arc<Self>, DeviceError>`

Create device handle

Source: device.joule:232

`fn id(&self) -> &DeviceId`

Get device identifier

Source: device.joule:261

`fn properties(&self) -> &DeviceProperties`

Get device properties

Source: device.joule:266

`fn state(&self) -> DeviceState`

Get current state

Source: device.joule:271

`fn energy_tracker(&self) -> Arc<EnergyTracker>`

Get energy tracker

Source: device.joule:276

`fn update_state(&self)`

Update device state (called by monitor)

Source: device.joule:281

`fn current_power(&self) -> Watts`

Get current power draw

Source: device.joule:310

`fn current_temperature(&self) -> f32`

Get current temperature

Source: device.joule:315

`fn memory_info(&self) -> (u64, u64)`

Get memory info

Source: device.joule:320

`fn is_throttled(&self) -> bool`

Check if device is throttled

Source: device.joule:326

`fn set_power_limit(&self, limit: Watts) -> Result<(), DeviceError>`

Set power limit

Source: device.joule:331

`fn power_limit(&self) -> Option<Watts>`

Get power limit

Source: device.joule:354

`fn set_temp_limit(&self, limit: f32)`

Set temperature limit for throttling

Source: device.joule:359

`fn energy_since(&self, start: Instant) -> Joules`

Calculate energy consumed over time period

Source: device.joule:364

`fn avg_power_since(&self, start: Instant) -> Watts`

Get average power over time period

Source: device.joule:380

`fn peak_power_since(&self, start: Instant) -> Watts`

Get peak power over time period

Source: device.joule:396

`fn efficiency(&self) -> DeviceEfficiency`

Get efficiency metrics

Source: device.joule:407

`fn synchronize(&self) -> Result<(), DeviceError>`

Synchronize device (wait for all operations)

Source: device.joule:428

`fn reset(&self) -> Result<(), DeviceError>`

Reset device

Source: device.joule:439

`fn drop(&mut self)`

Source: device.joule:450

`struct DeviceEfficiency`

Source: device.joule:459

`struct DeviceManager`

Global device manager

Source: device.joule:475

`fn new() -> Self`

Create new device manager

Source: device.joule:494

`fn init(&self) -> Result<(), DeviceError>`

Initialize and enumerate all devices

Source: device.joule:511

`fn start_monitoring(&self, interval: Duration)`

Start background monitoring

Source: device.joule:557

`fn stop_monitoring(&self)`

Stop monitoring

Source: device.joule:575

`fn get(&self, id: &DeviceId) -> Option<Arc<Device>>`

Get device by ID

Source: device.joule:583

`fn default(&self) -> Arc<Device>`

Get default device

Source: device.joule:588

`fn set_default(&self, id: DeviceId) -> Result<(), DeviceError>`

Set default device

Source: device.joule:594

`fn all(&self) -> Vec<Arc<Device>>`

Get all devices

Source: device.joule:604

`fn of_type(&self, device_type: DeviceType) -> Vec<Arc<Device>>`

Get devices of specific type

Source: device.joule:609

`fn select_for_workload(&self, workload: &WorkloadProfile) -> Arc<Device>`

Select best device for workload

Source: device.joule:618

`fn score_device_for_workload(&self, device: &Device, workload: &WorkloadProfile) -> f64`

Source: device.joule:636

`fn total_power(&self) -> Watts`

Get total power consumption across all devices

Source: device.joule:671

`fn total_energy(&self) -> Joules`

Get total energy consumed since start

Source: device.joule:681

`fn default() -> Self`

Source: device.joule:692

`struct WorkloadProfile`

Source: device.joule:699

`fn from_model_params(`

Estimate from model parameters

Source: device.joule:714

`fn device_manager() -> &'static DeviceManager`

Get global device manager

Source: device.joule:746

`fn default_device() -> Arc<Device>`

Get default device

Source: device.joule:751

`fn get_device(id: &DeviceId) -> Option<Arc<Device>>`

Get device by ID

Source: device.joule:756

`fn query_device_properties(id: &DeviceId) -> Result<DeviceProperties, DeviceError>`

Source: device.joule:764

`fn query_device_state(id: &DeviceId) -> Result<DeviceState, DeviceError>`

Source: device.joule:774

`fn init_device_backend(id: &DeviceId) -> Result<*mut std::ffi::c_void, DeviceError>`

Source: device.joule:783

`fn cleanup_device_backend(id: &DeviceId, handle: *mut std::ffi::c_void)`

Source: device.joule:791

`fn cpu_properties() -> DeviceProperties`

Source: device.joule:800

`fn cpu_state() -> DeviceState`

Source: device.joule:831

`fn cuda_properties(index: u32) -> Result<DeviceProperties, DeviceError>`

Source: device.joule:849

`fn cuda_state(index: u32) -> Result<DeviceState, DeviceError>`

Source: device.joule:887

`fn cuda_init(_index: u32) -> Result<*mut std::ffi::c_void, DeviceError>`

Source: device.joule:898

`fn cuda_cleanup(_handle: *mut std::ffi::c_void)`

Source: device.joule:909

`fn cuda_synchronize(_index: u32) -> Result<(), DeviceError>`

Source: device.joule:916

`fn cuda_reset(_index: u32) -> Result<(), DeviceError>`

Source: device.joule:927

`fn set_nvidia_power_limit(_index: u32, _limit: Watts) -> Result<(), DeviceError>`

Source: device.joule:938

`fn metal_properties() -> Result<DeviceProperties, DeviceError>`

Source: device.joule:950

`fn metal_state() -> Result<DeviceState, DeviceError>`

Source: device.joule:987

`fn metal_init() -> Result<*mut std::ffi::c_void, DeviceError>`

Source: device.joule:997

`fn metal_cleanup(_handle: *mut std::ffi::c_void)`

Source: device.joule:1007

`fn metal_synchronize() -> Result<(), DeviceError>`

Source: device.joule:1009

`fn coreml_properties() -> Result<DeviceProperties, DeviceError>`

Source: device.joule:1020

`fn set_amd_power_limit(_index: u32, _limit: Watts) -> Result<(), DeviceError>`

Source: device.joule:1058

`fn rocm_synchronize(_index: u32) -> Result<(), DeviceError>`

Source: device.joule:1062

`fn rocm_reset(_index: u32) -> Result<(), DeviceError>`

Source: device.joule:1066

`fn get_cuda_device_count() -> Result<u32, DeviceError>`

Source: device.joule:1071

`enum DeviceError`

Source: device.joule:1081

`fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result`

Source: device.joule:1091

`fn from(w: f64) -> Self`

Source: device.joule:1107